The μPD784031 is a product of the μPD784038 sub-series in the 78K/IV series. It contains various peripheral hardware such as RAM, I/O ports, 8-bit resolution A/D and D/A converters, timers, serial interface, and interrupt functions, as well as a high-speed, high-performance CPU. The μPD784031 is a ROM-less product of the μPD784035 and μPD784036.

Features

? Pin-compatible with the μPD78234, μPD784026, and μPD784038Y sub-series

? Minimum instruction execution time: 125 ns (at 32 MHz)

? Number of I/O ports: 46

? Serial interface: 3 channels

UART/IOE (3-wire serial I/O): 2 channels

CSI (3-wire serial I/O, 2-wire serial I/O): 1 channel

? PWM outputs: 2

? Timer/counters

16-bit timer/counter ×3 units

16-bit timer ×1 unit

? Standby function

HALT/STOP/IDLE mode

? Clock frequency division function

? Watchdog timer: 1 channel

? A/D converter: 8-bit resolution ×8 channels

? D/A converter: 8-bit resolution ×2 channels

? Power supply voltage: VDD= 2.7 to 5.5 V